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EP0755322A1 - Process for manufacturing a tube from plastic - Google Patents

Process for manufacturing a tube from plastic

Info

Publication number
EP0755322A1
EP0755322A1 EP95917927A EP95917927A EP0755322A1 EP 0755322 A1 EP0755322 A1 EP 0755322A1 EP 95917927 A EP95917927 A EP 95917927A EP 95917927 A EP95917927 A EP 95917927A EP 0755322 A1 EP0755322 A1 EP 0755322A1
Authority
EP
European Patent Office
Prior art keywords
tube
tubular body
plastic
lid
hinge
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP95917927A
Other languages
German (de)
French (fr)
Other versions
EP0755322B1 (en
Inventor
Gerhard Keller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Automation Industrielle SA
Original Assignee
Automation Industrielle SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Automation Industrielle SA filed Critical Automation Industrielle SA
Publication of EP0755322A1 publication Critical patent/EP0755322A1/en
Application granted granted Critical
Publication of EP0755322B1 publication Critical patent/EP0755322B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0081—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor of objects with parts connected by a thin section, e.g. hinge, tear line
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B11/00—Making preforms
    • B29B11/06—Making preforms by moulding the material
    • B29B11/08—Injection moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0053—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping
    • B29C45/0055—Shaping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D23/00—Producing tubular articles
    • B29D23/20—Flexible squeeze tubes, e.g. for cosmetics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D35/00—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor
    • B65D35/02—Body construction
    • B65D35/04—Body construction made in one piece
    • B65D35/08—Body construction made in one piece from plastics material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/08—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures
    • B65D47/0804—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures integrally formed with the base element provided with the spout or discharge passage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/12—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having removable closures
    • B65D47/14—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having removable closures and closure-retaining means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/20—Flexible squeeze tubes, e.g. for cosmetics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/56—Stoppers or lids for bottles, jars, or the like, e.g. closures
    • B29L2031/565—Stoppers or lids for bottles, jars, or the like, e.g. closures for containers

Definitions

  • the invention relates to a method for producing a tube made of plastic with a tubular body with an outlet opening, the diameter of which is smaller than the diameter of the tubular body, and with a cover which can be arranged above the outlet opening and which closes the lid.
  • Such tubes are known in many sizes and shapes and usually have a neck containing the dispensing opening with an external thread.
  • a sealing cap in the form of a screw cap or a threaded neck with a snap cap is then screwed onto the external thread. It is known, for example from DE-OS 35 37 068, to produce snap locks as a one-piece molding from plastic from a base body and from a hinged cover, the base body having fastening parts, e.g. Snap connection elements or a thread with which it can be firmly arranged on a container body.
  • the object of the invention is to simplify a method for producing tubes in such a way that the tube including the closure can be produced in a single operation and, in addition, to enable the tube shape to be adapted to different circumstances in a second step.
  • Tube is understood here to mean any container which has an outlet at one end, the diameter of which is smaller than that of the body of the container and which is open at the other end for filling.
  • the dispensing opening can be closed by a lid, which is connected to the container body by means of at least one web in such a way that it can be placed or swiveled over the dispensing opening in a simple manner.
  • the lid can be opened and closed as often as you like.
  • the cover can also have sealing lips or other sealing elements that form a leakage protection.
  • snap closures of any known type or other locking elements can also be provided, which ensure that the cover is locked and secured in its position tightly sealing the dispensing opening.
  • the web between the closure cover which can also be integrated in a cap hinged to the tube body, can be used as a Band or from several bands or as a hinge or a plurality of hinges forming material thinning.
  • the tubular body can be produced with a somewhat thicker wall and a relatively short length together with the cover connection in an injection mold in one injection process. With a short length and / or thicker wall of the tube body, the injection mold and the injection process are easier. Then there is the possibility, in a second working stage, of drawing the tubular body to the desired tubular body length in a stretching process. However, there is also the possibility of both widening and / or stretching the tubular body or of producing it conically.
  • the wall thickness can also be designed continuously or also gradually or gradually - alternately if necessary.
  • an injection mold can be the starting point for a relatively compact blank containing the finished lid, the final shape of which can be changed over a wide range by stretching and / or widening, so that only a single injection mold is required for different tube shapes.
  • the tubular body can be cut to the desired length. If a blank is first produced, the tubular body of which is subjected to a shape change process in a second cut, it may be necessary to provide a straightening cut, which can be carried out in addition to or simultaneously as a length cut.
  • FIG. 1 shows an embodiment of a tube blank with a pivotable cap, in which the lid for closing the dispensing opening is integrated with a sealing ring is.
  • FIG. 2 shows the tube blank according to FIG. 1 with the cap pivoted into the closed position, in which the integrated lid closes the dispensing opening.
  • a blank with an integrated hinged lid lock is made of polypropylene with a diameter of 35 mm, a wall thickness of 0.95 mm and a length of 50 mm.
  • the blank was heated to 130 ° C. for 18 s and fed to known temperature-controlled drawing or stretching tools.
  • the mandrel was heated to 75 ° C and the stretch ring to 80 ° C.
  • the stretching speed was 300 mm / s and a stretching ratio of 3.4: 1 was maintained in order to produce a tube with a trimmed length of 170 mm and a wall thickness of 0.23 mm.

Landscapes

  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Closures For Containers (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Tubes (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Laminated Bodies (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

The invention concerns a process for manufacturing a tube from plastic. The body of the tube has an outlet aperture smaller in diameter than the tube body itself, and a cap is provided which can be fitted over the outlet aperture to close it. According to the invention, the tube body and cap are connected by a hinge and manufactured in one stage by injection moulding, the tube body undergoing a further process in a second stage to alter its shape.

Description

Verfahren zur Herstellung einer Tube aus Kunststoff Process for making a plastic tube
Die Erfindung betrifft ein Verfahren zum Herstellen einer Tube aus Kunststoff mit einem Rohrkörper mit einer Ausgabeöffnung, deren Durchmesser gegenüber dem Durchmesser des Rohrkörpers geringer ist, und mit einem über der Ausgabeöffnung anordenbaren diese verschließenden Deckel.The invention relates to a method for producing a tube made of plastic with a tubular body with an outlet opening, the diameter of which is smaller than the diameter of the tubular body, and with a cover which can be arranged above the outlet opening and which closes the lid.
Derartige Tuben sind in vielerlei Größe und Gestalt bekannt und weisen meistens einen die Ausgabeöffnung enthaltenden Hals mit einem Außengewinde auf. Auf das Außengewinde wird dann in einem zweiten Arbeitsschritt ein Verschlußdeckel in Form einer Schraubkappe oder ein Gewindehals mit einem Schnappdeckel aufgeschraubt. Es ist zum Beispiel aus der DE-OS 35 37 068 bekannt, Schnappverschlüsse als einstückigen Formung aus Plastik aus einem Grundkörper und aus einem angelenkten Deckel herzustellen, wobei der Grundkörper Befestigungsteile aufweist, z.B. Schnappverbindungselemente oder ein Gewinde, mit denen er auf einem Behälterkörper fest anordenbar ist .Such tubes are known in many sizes and shapes and usually have a neck containing the dispensing opening with an external thread. In a second step, a sealing cap in the form of a screw cap or a threaded neck with a snap cap is then screwed onto the external thread. It is known, for example from DE-OS 35 37 068, to produce snap locks as a one-piece molding from plastic from a base body and from a hinged cover, the base body having fastening parts, e.g. Snap connection elements or a thread with which it can be firmly arranged on a container body.
Nach den bekannten Verfahren ist es zwingend notwendig, jeweils zwei Teile separat herzustellen, die in einem weiteren Arbeitsgang miteinander verbunden werden müssen. Dies bedeutet, daß mindestens zwei verschiedene Maschinen erforderlich sind und Transport- und gegebenenfalls auch Lagereinrichtungen sowie eine Vorrichtung zum Verbinden der Teile vorgesehen sein müssen, was die Herstellung zeitaufwendiger und kostenintensiver macht . Aufgabe der Erfindung ist es, ein Verfahren zum Herstellen von Tuben dahingehend zu vereinfachen, daß die Tube samt Verschluß in einem einzigen Arbeitsgang herstellbar ist und zusätzlich als weitere Aufgabe es zu ermöglichen, in einem zweiten Schritt die Tubenform unterschiedlichen Gegebenheiten anzupassen.According to the known methods, it is imperative to produce two parts separately, which must be connected to one another in a further operation. This means that at least two different machines are required and transport and possibly also storage facilities and a device for connecting the parts must be provided, which makes the production time-consuming and cost-intensive. The object of the invention is to simplify a method for producing tubes in such a way that the tube including the closure can be produced in a single operation and, in addition, to enable the tube shape to be adapted to different circumstances in a second step.
Diese Aufgabe wird durch ein Verfahren mit den Merkmalen des Anspruchs 1 gelöst .This object is achieved by a method with the features of claim 1.
Weitere vorteilhafte Ausgestaltungen der Erfindung sind den Unteransprüchen zu entnehmen.Further advantageous embodiments of the invention can be found in the subclaims.
Unter Tube wird hier jeder Behälter verstanden, der an einem Ende eine Ausgabeöffnung aufweist, deren Durchmesser geringer als der des Körpers des Behälters ist und der am anderen Ende zum Befüllen offen ist . Die Ausgabeöffnung ist durch einen Deckel verschließbar, der mittels mindestens eines Stegs mit dem Behälterkörper derart in Verbindung steht, daß er auf einfache Weise über die Ausgabeöffnung diese abdeckend aufsetzbar bzw. aufschwenkbar ist. Der Deckel ist dabei beliebig oft zu öffnen und zu schließen. Der Deckel kann noch Dichtungslippen oder sonstige, eine AuslaufSicherung bildende Dichtelemente aufweisen. Vorzugsweise können auch Schnappverschlüsse beliebiger bekannter Art oder sonstige Riegelelemente vorgesehen sein, die eine Arretierung und Sicherung des Deckels in seiner die Ausgabeöffnung dicht abschließenden Stellung gewährleisten.Tube is understood here to mean any container which has an outlet at one end, the diameter of which is smaller than that of the body of the container and which is open at the other end for filling. The dispensing opening can be closed by a lid, which is connected to the container body by means of at least one web in such a way that it can be placed or swiveled over the dispensing opening in a simple manner. The lid can be opened and closed as often as you like. The cover can also have sealing lips or other sealing elements that form a leakage protection. Preferably, snap closures of any known type or other locking elements can also be provided, which ensure that the cover is locked and secured in its position tightly sealing the dispensing opening.
Der Steg zwischen dem Verschlußdeckel, der auch in eine auf dem Tubenkörper angelenkte Kappe integriert sein kann, kann als ein Band oder auch aus mehreren Bändern oder als ein Scharnier oder auch mehrere Scharniere bildende Materialverdünnung gestaltet sein.The web between the closure cover, which can also be integrated in a cap hinged to the tube body, can be used as a Band or from several bands or as a hinge or a plurality of hinges forming material thinning.
Der Rohrkörper kann mit einer etwas stärkeren Wandung und relativ kurzer Länge zusammen mit der Deckelverbindung in einer Spritzgußform in einem Spritzvorgang hergestellt werden. Bei kurzer Länge und/oder dickerer Wandung des Tubenkörpers gestaltet sich die Spritzform und der Spritzvorgang einfacher. Dann besteht die Möglichkeit, in einer zweiten Arbeitsstufe, den Rohrkörper auf die gewünschte Rohrkörperlänge in einem Streckverfahren zu ziehen. Es besteht aber auch die Möglichkeit, den Rohrkörper sowohl aufzuweiten und/oder zu strecken oder auch konisch herzustellen. Hierbei kann ausgehend vom Deckel die Wandstärke auch kontinuierlich oder auch stufenweise ab- oder zunehmend - gegebenenfalls auch im Wechsel - gestaltet sein.The tubular body can be produced with a somewhat thicker wall and a relatively short length together with the cover connection in an injection mold in one injection process. With a short length and / or thicker wall of the tube body, the injection mold and the injection process are easier. Then there is the possibility, in a second working stage, of drawing the tubular body to the desired tubular body length in a stretching process. However, there is also the possibility of both widening and / or stretching the tubular body or of producing it conically. Here, starting from the cover, the wall thickness can also be designed continuously or also gradually or gradually - alternately if necessary.
Im Falle der Weiterbehandlung des Rohrkörpers kann eine Spritzgußform Ausgangspunkt für einen relativ kompakten, den fertigen Deckel enthaltenden Rohling sein, dessen endgültige Form in weitem Bereich durch Strecken und/oder Aufweiten veränderbar ist, so daß für verschiedene Tubenformen nur eine einzige Spritzgußform benötigt wird.In the case of further treatment of the tubular body, an injection mold can be the starting point for a relatively compact blank containing the finished lid, the final shape of which can be changed over a wide range by stretching and / or widening, so that only a single injection mold is required for different tube shapes.
Bei unmittelbar hergestellten Tuben mit längerem Rohrkörper kann der Rohrkörper auf die jeweils gewünschte Länge abgeschnitten werden. Wird zunächst ein Rohling hergestellt, dessen Rohrkörper in einem zweiten Schnitt einem Formveränderungsvorgang unterzogen wird, kann es erforderlich sein, einen Begradigungsschnitt vorzusehen, der zusätzlich zu einem oder auch gleichzeitig als Längenschnitt ausgeführt werden kann.In the case of directly manufactured tubes with a longer tubular body, the tubular body can be cut to the desired length. If a blank is first produced, the tubular body of which is subjected to a shape change process in a second cut, it may be necessary to provide a straightening cut, which can be carried out in addition to or simultaneously as a length cut.
Fig. 1 zeigt ein Ausführungsbeispiel eines Tubenrohlings mit einer verschwenkbaren Kappe, in die der Deckel zum Verschluß der Ausgabeöffnung mit einem Dichtring integriert ist. Fig. 2 zeigt den Tubenrohling gemäß Fig. 1 mit in die Schließstellung verschwenkter Kappe, in der der integrierte Deckel die Ausgabeöffnung verschließt.Fig. 1 shows an embodiment of a tube blank with a pivotable cap, in which the lid for closing the dispensing opening is integrated with a sealing ring is. FIG. 2 shows the tube blank according to FIG. 1 with the cap pivoted into the closed position, in which the integrated lid closes the dispensing opening.
Beispielexample
Ein Rohling mit einem integrierten Klappdeckelverschluß wird aus Polypropylen mit einem Durchmesser von 35 mm, mit einer Wandstärke von 0,95 mm und einer Länge von 50 mm hergestellt.A blank with an integrated hinged lid lock is made of polypropylene with a diameter of 35 mm, a wall thickness of 0.95 mm and a length of 50 mm.
Der Rohling wurde während 18 s auf 130 °C erwärmt und bekannten temperierten Zieh- oder Streckwerkzeugen zugeführt. Der Streckdorn wurde auf 75 °C und der Streckring auf 80 °C erwärmt. Die Streckgeschwindigkeit lag bei 300 mm/s und es wurde ein Streckverhältnis von 3,4:1 eingehalten, um eine Tube mit einer beschnittenen Länge von 170 mm und einer Wandstärke von 0,23 mm zu erzeugen. The blank was heated to 130 ° C. for 18 s and fed to known temperature-controlled drawing or stretching tools. The mandrel was heated to 75 ° C and the stretch ring to 80 ° C. The stretching speed was 300 mm / s and a stretching ratio of 3.4: 1 was maintained in order to produce a tube with a trimmed length of 170 mm and a wall thickness of 0.23 mm.

Claims

Patentansprüche Claims
1. Verfahren zum Herstellen einer Tube aus Kunststoff mit einem Rohrkörper mit einer Ausgabeöffnung, deren Durchmesser gegenüber dem Durchmesser des Rohrkörpers geringer ist, und mit einem über der Ausgabeδffnung anordenbaren, diese verschließenden Deckel, dadurch gekennzeichnet, daß der Rohrkörper und der Deckel miteinander durch ein Scharnier verbunden in einem Arbeitsgang durch Spritzgießen hergestellt werden und daß der Rohrkörper in einem zweiten Schritt einem Formveränderungsvorgang unterzogen wird.1. A method for producing a tube made of plastic with a tubular body with a dispensing opening, the diameter of which is smaller than the diameter of the tubular body, and with a cover which can be arranged above the dispensing opening and which closes the lid, characterized in that the tubular body and the lid are joined together by a Hinge connected to be produced in one operation by injection molding and that the tubular body is subjected to a shape change process in a second step.
2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß der Formveränderungsvorgang ein Strecken zur Verlängerung des Tubenkörpers ist .2. The method according to claim 1, characterized in that the shape change process is a stretch to extend the tube body.
3. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Formveränderungsvorgang ein Aufweiten des Tubenkörpers ist.3. The method according to claim 1 or 2, characterized in that the shape change process is a widening of the tube body.
4. Verfahren nach Anspruch 3 , dadurch gekennzeichnet, daß das Aufweiten konisch erfolgt.4. The method according to claim 3, characterized in that the expansion takes place conically.
5. Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß das Scharnier in Form mindestens eines flexiblen Stegs hergestellt wird.5. The method according to any one of claims 1 to 4, characterized in that the hinge is made in the form of at least one flexible web.
6. Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß das Scharnier durch Materialverdünnung hergestellt wird. 6. The method according to any one of claims 1 to 4, characterized in that the hinge is made by thinning the material.
EP95917927A 1994-04-14 1995-04-13 Process for manufacturing a tube from plastic Expired - Lifetime EP0755322B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4412907 1994-04-14
DE4412907A DE4412907C1 (en) 1994-04-14 1994-04-14 Plastics delivery tube
PCT/EP1995/001395 WO1995028274A1 (en) 1994-04-14 1995-04-13 Process for manufacturing a tube from plastic

Publications (2)

Publication Number Publication Date
EP0755322A1 true EP0755322A1 (en) 1997-01-29
EP0755322B1 EP0755322B1 (en) 1998-07-29

Family

ID=6515408

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95917927A Expired - Lifetime EP0755322B1 (en) 1994-04-14 1995-04-13 Process for manufacturing a tube from plastic

Country Status (14)

Country Link
EP (1) EP0755322B1 (en)
JP (1) JP3839047B2 (en)
KR (1) KR970702144A (en)
CN (1) CN1146176A (en)
AT (1) ATE168928T1 (en)
AU (1) AU689586B2 (en)
BG (1) BG62919B1 (en)
BR (1) BR9507384A (en)
DE (2) DE4412907C1 (en)
ES (1) ES2122597T3 (en)
HU (1) HU216131B (en)
PL (1) PL177159B1 (en)
RU (1) RU2146616C1 (en)
WO (1) WO1995028274A1 (en)

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US5992668A (en) * 1996-07-11 1999-11-30 Aptargroup, Inc. Sealed dispensing closure with a sealed penetrator
US5769277A (en) * 1996-07-11 1998-06-23 Aptargroup, Inc. Dispensing closure having a force-directing removable seal
US5927549A (en) * 1998-03-20 1999-07-27 Aptargroup, Inc. Dispensing structure with frangible membrane for separating two products
US5853109A (en) * 1998-04-29 1998-12-29 Aptargroup, Inc. Dispensing structure with displaceable penetrator and bistable cover actuator
EP1517840A1 (en) * 2002-07-02 2005-03-30 Bormioli Rocco & Figlio S.p.A. A plastic single-piece tube
DE10246086B4 (en) * 2002-10-02 2005-11-03 Mars, Incorporated container
DE10333160A1 (en) * 2003-07-22 2005-02-10 Fischbach Kg Kunststoff-Technik Flexible tube, is formed by injection molding a tube blank, and removing the blank by pulling out the core while holding the head, then pulling back the mold
JP2011088672A (en) 2009-10-26 2011-05-06 Sulzer Mixpac Ag Cartridge with unified closing cap
US20140263436A1 (en) * 2013-03-15 2014-09-18 Tc Heartland Llc Container

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EP0755322B1 (en) 1998-07-29
ES2122597T3 (en) 1998-12-16
HUT77935A (en) 1998-11-30
WO1995028274A1 (en) 1995-10-26
DE59502995D1 (en) 1998-09-03
PL177159B1 (en) 1999-09-30
BR9507384A (en) 1997-09-23
RU2146616C1 (en) 2000-03-20
JP3839047B2 (en) 2006-11-01
ATE168928T1 (en) 1998-08-15
DE4412907C1 (en) 1995-08-24
HU9602782D0 (en) 1996-11-28
AU2406395A (en) 1995-11-10
HU216131B (en) 1999-04-28
AU689586B2 (en) 1998-04-02
PL316783A1 (en) 1997-02-17
KR970702144A (en) 1997-05-13
BG62919B1 (en) 2000-11-30
BG100953A (en) 1997-08-29
JPH09511956A (en) 1997-12-02
CN1146176A (en) 1997-03-26

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